Metal weather-strip.



G. P. WHITGOMB & J. G; GODFREY.

METAL WEATHER STRIP.

'APPLIOATIDN III-ED MAY a, 1913.

1 104 334 Patented July 21,1914.

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UNITED STATES PATENT OFFICE.

CHESTER r. wnnroomn, or somnavrrmn, massacnusn'r'rs, AND JOHN G.eonrnnv, or STEUIBEN, MAINE; sm 'wnrrcoma ASSIGNOB' TO sun GODFREY.

METAL WEATHER-STRIP.

Specification of Letters Patent.

Patented July 21, 1914.

I Application filed Kay 8, 1913. Serial No. 766,315.

in Metal Weather-Strips, o-fi which the fol-' lowing is a specification.

This invention relates to a weather strlp adapted to be interposedbetween the vertical edge of a sliding window sash and the part of casinopposed to the said edge to form a tight oint between the sash andcasmg.

The invention has for its object to provide a one piece weather strip ofsuitable construction adapted to be securelv attached to the casing andpermit the sash to slide freely in contact with it.

The invention consists-in the improvements which we will now proceed todescribe and claim.

Of the accompanying drawings: Figure 1 represents a'perspective view ofa weather strip embodying our invention. Fig. 2 repj resents a horizontamotion showing a portion of a window casing provided with our improvedweather strip and one of the vertical members of a sash engaged with theby Figs. 1, 2 and 3, we form from a single strip of suitable sheet metalsuch as spring bronze, zinc, or. aluminum, 3. weather stri comprising afiat base which is compose of two parts 12 and 13, adapted to bear onthe flat surface of a window casing 14, said parts being separated fromeach other by a sealing rib 15 formed integral therewith and adapted toenter a deep oove 16 in one edge of a sash 17 A portion of the strip isbent backwardly1 from one edge of the base to form a resi ent tongue 18adapted to spring outwardly from the outer side of the base, the freeedge of the tongue 18 being provided with a bead or projection 18adapted to bear yieldingl on the edge of the sash 17, which is provi edwith a shallow groove 19 adapted to receive the said proection. Theopposite edge portion of the base, is bent inwardly to form a flange 20,

said flange being adapted to enter the groove 21 which receives theusual parting bead 22, the flange 2O lying in the groove beside theparting head as shown by Fig. 2. The edge portions of the base areperforated to receive attaching nails or tacks 23, the portion 12 beingprovided with orifices 24 and the portion 13 and tongue 18 beingprovided with coinciding orifices 25 and 26 to receive the attachingdevices.

Each of the described embodiments of the invention is characterized by awide fiat base adapted to be secured at both of its" edge portions tothe casing, and a spring tongue bent backwardly from one edge of thebase and secured at its inner portion with the base to the casing, saidtongue being provided with a projection adapted to engag a groove in theedge of the sash and prevent the sash from rattling and exclude air fromthe outside.

We claim A one piece sheet metal weather strip comprising a flat base, asealing rib integral with the base and adapted to enter a groove in theedge of the sash, and a resllient tongue bent backwardly from one edgeof the base,

adapted to spring outwardly from the outer side of the base, andprovided-at its free edge with a projectionadapted to enter anothergroove in the sash, the inner portion of the tongue and thecorresponding edge portion of the base being provided with coincidingorifices to receive attaching devices. In testimony whereof we haveaflixed our signatures, in presence of two witnesses.

CHESTER P. WHITCOMB. JOHN G. GODFREY. Witnesses: v,

C. F. Brown, P. W. Pnzznrr.

